Linux Kernel  3.7.1
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fortunet.c
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1 /*
2  * linux/arch/arm/mach-clps711x/fortunet.c
3  *
4  * Derived from linux/arch/arm/mach-integrator/arch.c
5  *
6  * Copyright (C) 2000 Deep Blue Solutions Ltd
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  */
22 #include <linux/types.h>
23 #include <linux/init.h>
24 #include <linux/initrd.h>
25 
26 #include <mach/hardware.h>
27 #include <asm/setup.h>
28 #include <asm/mach-types.h>
29 
30 #include <asm/mach/arch.h>
31 
32 #include <asm/memory.h>
33 
34 #include "common.h"
35 
36 struct meminfo memmap = {
37  .nr_banks = 1,
38  .bank = {
39  {
40  .start = 0xC0000000,
41  .size = 0x01000000,
42  },
43  },
44 };
45 
46 typedef struct tag_IMAGE_PARAMS
47 {
48  int ramdisk_ok;
49  int ramdisk_address;
50  int ramdisk_size;
51  int ram_size;
52  int extra_param_type;
53  int extra_param_ptr;
54  int command_line;
55 } IMAGE_PARAMS;
56 
57 #define IMAGE_PARAMS_PHYS 0xC01F0000
58 
59 static void __init
60 fortunet_fixup(struct tag *tags, char **cmdline, struct meminfo *mi)
61 {
62  IMAGE_PARAMS *ip = phys_to_virt(IMAGE_PARAMS_PHYS);
63  *cmdline = phys_to_virt(ip->command_line);
64 #ifdef CONFIG_BLK_DEV_INITRD
65  if(ip->ramdisk_ok)
66  {
67  initrd_start = __phys_to_virt(ip->ramdisk_address);
68  initrd_end = initrd_start + ip->ramdisk_size;
69  }
70 #endif
71  memmap.bank[0].size = ip->ram_size;
72  *mi = memmap;
73 }
74 
75 MACHINE_START(FORTUNET, "ARM-FortuNet")
76  /* Maintainer: FortuNet Inc. */
77  .fixup = fortunet_fixup,
78  .map_io = clps711x_map_io,
79  .init_irq = clps711x_init_irq,
80  .timer = &clps711x_timer,
81  .restart = clps711x_restart,
82 MACHINE_END
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